MEDIUM 5.9 Microsoft
CVE-2026-19941
checkwildcard() accepts an out-of-zone NSEC as a wildcard-nonexistence proof
Microsoft Security Update 2026-Sep: checkwildcard() accepts an out-of-zone NSEC as a wildcard-nonexistence proof
Affected Products
- azl3 bind 9.20.26-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-19941
- https://nvd.nist.gov/vuln/detail/CVE-2026-19941
This medium severity vulnerability with a CVSS score of 5.9 was published on 2026-09-08 via Microsoft. Affected: azl3 bind 9.20.26-1 on Azure Linux 3.0.
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